Making Marshmallows, Meringues, and Divinity - Backyard Poultry

Ingredients

• 4 envelopes, 1/4 oz. each, unflavored gelatin
• 1 cup cold water, divided into 3/4 and 1/4 cups
• 2 cups granulated sugar
• 1/4 cup light corn syrup
• 1 tablespoon vanilla extract or other flavorings — see note
• 4 large egg whites, room temperature
• 1/2 teaspoon cream of tartar
• 1/8 teaspoon salt
• 1 cup granulated sugar
• 2 teaspoons vanilla